[s15e18] Despair -

The defining moment of the episode is when Castiel confesses his love for Dean to trigger a deal with The Empty, allowing him to escape death—and immediately be dragged into it, according to Fanlore . This scene set off massive social media reactions worldwide.

Supernatural Season 15, Episode 18, titled "" (aired Nov 5, 2020), is widely remembered as one of the most emotional and pivotal episodes of the final season, largely due to Castiel's (Misha Collins) dramatic exit and heartfelt confession to Dean Winchester. The episode is highly regarded for its emotional impact, with many fans describing it as an "ugly cry" experience , according to MaydayMaggie and various Reddit users. [S15E18] Despair

Other viewers felt the "Destiel" scene was a long-awaited, essential moment for the characters. The defining moment of the episode is when